String groove masonry clamp



FIG. 1 is a top perspective view of a string groove masonry clamp showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a right side view thereof;

FIG. 6 is a back view thereof;

FIG. 7 is a bottom view thereof; and

FIG. 8 is a bottom perspective view thereof; and,

FIG. 9 is an environmental view thereof showing an apex mounted string retained by the string cleat.

The broken lines showing the masonry block and string are for the purpose of illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a string groove masonry clamp, as shown and described. 